Rovo Bakelite Automatic Dice Machine office The inside diameter is about

The inside diameter is about 2 1/2"

there is a small tear on the spine

Pocket photography tool to help you determine the correct aperture size for the depth of field you want

It measures 23" long in total and a little less than 1/2" wide

These early short cans are becoming quite hard to find

Rovo Bakelite Automatic Dice Machine office The inside diameter is aboutVintage Rovo Bakelite automatic dice machine. Small alternative to loose dice. There is a button for you to push and it "rolls the dice" for you. The dice stickers have some wear. It still works as intended. This company made these pretty much unchanged before and after the war. This one has no markings. There is a small chip on the window area, see photos.